An acid solution __________ in strength as its pH value becomes closer to 0.
A. increases
B. decreases
Answer: A
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A traffic engineer, wishing to determine a representative value of the ADT on 250 highway links having similar volume characteristics, conducted a preliminary study from which the following estimates were made: Mean volume = 45,750 veh/day, Standard deviation = 3750 veh/day. Determine the minimum number of stations for which the engineer should obtain 24-h volume counts for a 95-5 precision level.
What will be an ideal response?
Name the four common types of fire extinguishers
What will be an ideal response?
Technician A says that the top mounting nut for a rear shock absorber is often located inside the vehicle. Technician B says that shocks, struts, and springs should always be replaced in axle sets. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
What are the three necessary and sufficient criteria that must be satisfied by all plastics materials?
What will be an ideal response?